#181a28

Color #181a28

A muted very dark blue.

Closest named color Black #000000 · ΔE 14.2 Nearest Tailwind class gray-900 #101828 · ΔE 2.8

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Conversions

HEX

#181a28

RGB

rgb(24, 26, 40)

HSL

hsl(232.5, 25%, 12.5%)

HSV / HSB

hsv(232.5, 40%, 15.7%)

CMYK

cmyk(40%, 35%, 0%, 84.3%)

LAB

lab(9.69, 3.35, -9.83)

LCH

lch(9.69, 10.39, 288.82)

OKLCH

oklch(22.3%, 0.0275, 277.75)

HWB

hwb(232.5, 9.4%, 84.3%)

Harmony colors

Complementary

#282618

Analogous

#182228

#181a28

#1e1828

Triadic

#181a28

#28181a

#1a2818

Split-complementary

#181a28

#281e18

#222818

Tetradic

#181a28

#261828

#282618

#1a2818

Square

#181a28

#281822

#282618

#18281e

Shades

Color #181a28 mixed toward black.

#141621

#10111b

#0c0d14

#08090d

#040407

Tints

Color #181a28 mixed toward white.

#343856

#505685

#747bab

#a2a7c7

#d1d3e3

Tones

Color #181a28 mixed toward gray.

#191b27

#1b1c25

#1c1d24

#1d1e23

#1f1f21

Accessibility

Aa White text on this color

17.25:1

Aa Black text on this color

1.22:1

White text reads better on this background (17.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#191925 · ΔE 1.3

Deuteranopia

#191924 · ΔE 1.7

Tritanopia

#182322 · ΔE 12.8

Achromatopsia

#1b1b1b · ΔE 8.8

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #181a28;

Tailwind (arbitrary value)

bg-[#181a28]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#181a28 (#181a28) is rgb(24, 26, 40) in RGB.

No, #181a28 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #181a28, or check how it holds up for accessibility.

Generate a palette → Check contrast